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长句翻译讨论红包贴【101111】
But perhaps the most valuable benefit of recycling is the saving in energy and the reduction in greenhouse gases and pollution that result when scrap materials are substituted for virgin feedstock

result 的含义和在句中的结构是亮点。

么标准答案哈，明天我会给出我的答案。

Hint:
When water levels rise, flooding results.

正确答案见一楼
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抢sf~

但是，或许再循环的最有价值的益处在于，当废料代替了原材料，就节约了能量，减少了温室气体和污染物。
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我就看看，我不说话~~
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但也许最宝贵的回收的好处是节省能源及减少温室气体的减少和污染，结果当废料为原料替代处女原料。
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But   perhaps   the most valuable benefit of recycling is the saving in energy and the reduction in greenhouse gases and pollution that result when scrap materials are substituted for virgin feedstock

但是，当碎片的材料替代了原始原料时，可能循环利用最有价值的利益是节省了能源和减少温室气体的排放和污染
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但是，当碎片的材料替代了原始原料时，可能循环利用
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此处result when怎样理解?楼主请明示